Report Generated 07/09/2020 at 1401

Page Description

1 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

2 - Redding 10-Day Forecasted Air Temperatures

3 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

4 - Shasta Lake Isothermobaths Plot

5 - Trinity Lake Isothermobaths Plot

6 - Whiskeytown Lake Isothermobaths Plot

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

May - 2020
Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Apr 4718 1542 6505 60.4 62.0 -

05/01 53.2 ? 51.7 49.8 52.3 52.8 53.4 55.1 56.5 57.0 58.2 53.0 49.6 - 7929 1920 9713 65.0 63.3 65.9 -

05/02 52.6 51.4 49.9 52.5 52.8 53.2 54.7 55.9 56.5 57.4 52.1 49.0 - 7358 1925 9705 63.5 60.5 63.8 -

05/03 53.2 ? 51.5 50.0 52.2 52.7 53.2 54.7 55.7 56.1 56.8 52.4 48.8 - 7137 1890 9737 60.5 59.5 61.4 -

05/04 53.1 51.6 50.0 52.7 53.0 53.5 54.6 55.7 56.1 57.0 52.9 48.6 - 7614 1919 9724 63.0 61.3 63.8 -

05/05 51.9 50.8 50.2 52.7 53.1 53.7 ? 55.2 56.3 56.7 57.6 53.1 49.0 - 7447 1903 9648 66.5 63.9 66.8 -

05/06 52.9 51.4 50.2 52.4 53.0 53.7 55.5 56.6 57.0 57.7 53.8 49.2 - 8172 1671 9712 66.5 66.4 71.2 -

05/07 53.7 52.4 50.3 52.6 52.9 53.4 54.7 55.9 56.4 57.7 53.9 49.3 - 8133 1120 9709 76.0 70.5 74.2 -

05/08 53.4 ? 52.2 50.4 53.5 53.9 54.6 56.0 57.1 57.5 58.2 53.9 49.5 - 7967 1310 9710 73.0 70.9 72.9 -

05/09 53.5 52.2 50.5 53.5 54.0 54.7 56.2 57.6 58.1 59.3 51.8 49.5 - 8238 1141 9702 75.5 71.9 73.7 -

05/10 53.9 53.0 50.6 53.7 54.1 54.7 56.1 57.3 57.7 58.9 51.9 49.8 - 8953 447 9697 72.0 68.7 69.3 -

05/11 53.2 52.3 50.6 53.6 53.7 54.0 54.9 55.9 56.5 57.5 51.5 49.5 - 8264 914 9497 62.5 57.9 58.5 -

05/12 52.9 51.6 50.6 52.8 53.3 53.7 54.4 55.1 55.5 56.3 52.7 49.3 - 8144 1014 9494 58.0 56.7 60.5 -

05/13 52.9 52.1 50.7 52.4 52.7 52.8 54.1 54.9 55.1 55.6 52.2 48.8 - 8463 943 9490 57.5 56.5 57.8 -

05/14 52.9 51.7 50.7 52.4 52.6 52.8 54.0 54.8 55.1 55.4 52.3 48.7 - 8127 1303 9491 59.0 57.8 59.7 -

05/15 53.3 51.9 50.6 52.4 52.9 53.4 55.0 56.0 56.2 56.7 53.3 48.7 - 7455 1667 9265 64.5 63.0 65.3 -

05/16 53.1 51.6 50.7 52.9 53.1 53.4 54.9 55.9 56.4 57.3 52.8 48.8 - 6899 1666 8994 65.0 62.5 63.4 -

05/17 52.5 51.3 50.8 52.7 53.1 53.6 55.4 56.6 57.1 57.4 53.8 49.1 - 7179 1665 8775 65.0 62.9 63.2 -

05/18 52.3 51.2 50.8 52.4 52.8 53.0 55.0 55.5 56.0 57.1 52.5 48.8 - 6230 1673 8541 54.5 54.8 56.1 -

05/19 52.8 51.8 50.9 52.2 52.7 53.2 55.2 55.9 56.0 56.2 53.2 49.3 - 7129 1006 8542 59.5 59.1 60.5 -

05/20 53.3 51.9 50.9 52.8 53.2 53.9 55.7 56.7 57.1 57.9 53.6 49.5 - 8093 519 8257 61.5 61.8 61.8 -

05/21 51.8 51.0 51.0 53.2 53.8 54.6 56.6 57.7 58.1 59.0 54.3 49.9 - 6645 1143 8035 68.5 65.4 67.3 -

05/22 51.9 50.5 51.0 53.2 53.9 54.7 56.7 57.9 58.4 59.1 53.9 50.3 - 6220 1141 8033 66.0 63.3 65.0 -

05/23 51.2 49.9 51.0 52.2 53.0 53.7 56.0 57.4 58.0 59.2 54.0 50.8 - 6574 1665 7966 69.5 66.0 68.5 -

05/24 50.7 49.7 51.1 52.1 52.9 53.7 55.9 57.4 58.0 59.1 54.5 50.5 - 6409 1310 7908 77.0 70.9 74.0 -

05/25 50.8 49.8 51.2 51.8 52.7 53.6 56.2 57.9 58.5 59.9 55.4 50.6 - 6344 1542 7907 83.0 77.7 79.7 -

05/26 50.9 49.8 51.2 51.7 52.6 53.4 56.0 57.9 58.8 60.5 55.5 50.8 - 5899 1722 7956 80.5 77.2 79.7 -

05/27 51.0 49.9 51.3 51.9 52.7 53.6 56.2 58.1 58.8 60.2 56.1 51.1 - 6880 1720 8965 82.5 79.9 81.6 -

05/28 51.2 50.1 51.4 52.0 52.7 53.5 56.1 58.0 58.8 60.5 56.1 51.4 - 7884 1173 9426 84.0 81.3 81.1 -

05/29 51.0 50.1 51.4 51.8 52.5 53.2 55.6 57.4 58.2 59.9 55.5 51.3 - 7944 1274 9864 83.0 79.0 79.7 -

05/30 51.0 50.2 51.5 51.4 51.9 52.3 54.2 55.9 56.7 58.2 54.0 50.7 - 8628 1070 9962 65.5 63.5 64.2 -

05/31 51.4 50.5 51.5 51.0 51.6 52.1 54.0 55.3 55.6 56.5 55.0 50.7 - 9168 847 9964 69.5 67.0 68.5 -

May 7533 1362 9142 65.8 67.7 -

233526 42223 283389

Legend Notes 463189 83748 562091

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current control point (see page 3 for more details)

↑ = Record high air temperature 3 Column not used this month

↓ = Record low air temperature

 = Monthly Averages

56.5

IGO

57.0

Total AF

56.6 51.9

RDB

58.0 53.6

LWS

49.7 -

-----

-

JLF BND

Mean Daily 

Air Temperatures (°F)

RDD

62.1

Total CFS

68.3

51.9 52.5 55.4 55.9 49.1

Mean Daily 

Release (CFS)

50.7 52.5 53.0

49.3 51.2

53.6

54.2

55.3

D

A

T

E

52.1 50.8

TCD SAC CCR 1 SHD SPP1 KWK

Mean Daily Water Temperatures (°F)

BSF2

52.4 51.2

3

1
↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

05/01 59 82 70.5 48 80 64.0 51 74 62.5 47 74 60.5 45 78 61.5 46 82 64.0 49 86 67.5 54 92 73.0 57 86 71.5 56 91 73.5 57 88 72.5 55 82 68.5

05/02 48 82 65.0 56 73 64.5 42 76 59.0 44 81 62.5 49 83 66.0 49 87 68.0 54 92 73.0 56 95 75.5 59 94 76.5 59 96 77.5 58 85 71.5 54 81 67.5

05/03 51 76 63.5 46 76 61.0 44 82 63.0 50 84 67.0 51 82 66.5 54 92 73.0 56 95 75.5 58 95 76.5 58 90 74.0 56 88 72.0 55 89 72.0 59 90 74.5

05/04 45 76 60.5 45 82 63.5 49 83 66.0 50 83 66.5 54 92 73.0 55 96 75.5 58 96 77.0 60 92 76.0 57 86 71.5 52 84 68.0 55 86 70.5 58 88 73.0

05/05 44 82 63.0 53 83 68.0 50 84 67.0 54 93 73.5 55 97 76.0 59 96 77.5 59 91 75.0 56 82 69.0 53 79 66.0 51 78 64.5 54 80 67.0 56 85 70.5

05/06 50 83 66.5 50 83 66.5 55 93 74.0 56 98 77.0 59 96 77.5 59 90 74.5 55 80 67.5 51 71 61.0 49 73 61.0 51 79 65.0 55 83 69.0 57 88 72.5

05/07 49 84 66.5 65 93 79.0 55 98 76.5 60 97 78.5 59 90 74.5 54 73 63.5 50 68 59.0 48 73 60.5 51 81 66.0 55 84 69.5 57 85 71.0 58 86 72.0

05/08 59 93 76.0 51 97 74.0 59 96 77.5 59 88 73.5 55 75 65.0 51 65 58.0 48 71 59.5 50 76 63.0 52 75 63.5 54 84 69.0 57 81 69.0 56 81 68.5

05/09 50 96 73.0 57 96 76.5 58 89 73.5 55 74 64.5 51 68 59.5 48 71 59.5 49 74 61.5 50 80 65.0 54 86 70.0 57 84 70.5 55 84 69.5 56 85 70.5

05/10 57 94 75.5 56 88 72.0 53 75 64.0 51 68 59.5 50 69 59.5 50 70 60.0 49 80 64.5 52 82 67.0 55 78 66.5 55 79 67.0 54 83 68.5 56 87 71.5

05/11 56 88 72.0 56 69 62.5 50 66 58.0 48 66 57.0 48 72 60.0 48 80 64.0 53 79 66.0 54 71 62.5 53 77 65.0 53 78 65.5 54 84 69.0 57 86 71.5

05/12 54 71 62.5 56 66 61.0 48 64 56.0 48 69 58.5 48 81 64.5 53 77 65.0 53 70 61.5 49 69 59.0 51 78 64.5 54 84 69.0 56 85 70.5 59 87 73.0

05/13 54 62 58.0 54 64 59.0 49 68 58.5 49 81 65.0 53 77 65.0 54 69 61.5 49 67 58.0 47 73 60.0 57 83 70.0 56 88 72.0 59 88 73.5 59 87 73.0

05/14 53 62 57.5 53 63 58.0 48 79 63.5 51 75 63.0 53 69 61.0 49 66 57.5 46 71 58.5 47 75 61.0 55 84 69.5 55 87 71.0 57 88 72.5 59 90 74.5

05/15 52 66 59.0 51 78 64.5 52 78 65.0 54 69 61.5 49 65 57.0 46 72 59.0 48 75 61.5 51 79 65.0 58 88 73.0 59 88 73.5 59 86 72.5 61 87 74.0

05/16 50 79 64.5 56 73 64.5 54 68 61.0 49 64 56.5 46 74 60.0 49 75 62.0 51 81 66.0 51 81 66.0 56 87 71.5 56 88 72.0 59 89 74.0 60 86 73.0

05/17 55 75 65.0 59 71 65.0 49 66 57.5 46 73 59.5 48 75 61.5 49 80 64.5 49 76 62.5 49 80 64.5 54 83 68.5 57 86 71.5 60 89 74.5 61 89 75.0

05/18 58 72 65.0 53 63 58.0 44 73 58.5 48 76 62.0 49 78 63.5 49 78 63.5 50 83 66.5 54 85 69.5 59 88 73.5 60 92 76.0 60 92 76.0 63 92 77.5

05/19 49 60 54.5 46 73 59.5 47 75 61.0 50 81 65.5 49 78 63.5 49 84 66.5 54 87 70.5 58 90 74.0 64 94 79.0 63 96 79.5 63 96 79.5 64 95 79.5

05/20 45 74 59.5 49 77 63.0 50 82 66.0 49 77 63.0 50 85 67.5 54 90 72.0 59 93 76.0 62 96 79.0 63 96 79.5 63 100 81.5 63 92 77.5 61 87 74.0

05/21 49 74 61.5 54 81 67.5 50 76 63.0 50 85 67.5 54 91 72.5 60 97 78.5 63 97 80.0 65 99 82.0 67 101 84.0 63 96 79.5 63 93 78.0 61 87 74.0

05/22 53 84 68.5 56 76 66.0 50 85 67.5 55 93 74.0 61 98 79.5 65 99 82.0 70 101 85.5 70 103 86.5 69 101 85.0 62 89 75.5 59 86 72.5 61 88 74.5

05/23 55 77 66.0 54 84 69.0 56 91 73.5 61 97 79.0 66 100 83.0 67 103 85.0 69 105 87.0 69 94 81.5 62 87 74.5 60 91 75.5 60 84 72.0 59 86 72.5

05/24 54 85 69.5 63 92 77.5 63 98 80.5 65 100 82.5 66 101 83.5 67 104 85.5 69 96 82.5 61 83 72.0 59 87 73.0 60 86 73.0 58 81 69.5 60 87 73.5

05/25 61 93 77.0 67 99 83.0 67 101 84.0 66 102 84.0 68 103 85.5 67 100 83.5 63 86 74.5 57 78 67.5 58 88 73.0 61 87 74.0 61 90 75.5 64 94 79.0

05/26 67 99 83.0 65 99 82.0 67 100 83.5 67 102 84.5 68 100 84.0 62 78 70.0 56 79 67.5 57 79 68.0 59 91 75.0 60 91 75.5 62 90 76.0 61 88 74.5

05/27 65 96 80.5 66 99 82.5 67 103 85.0 68 102 85.0 59 74 66.5 55 80 67.5 57 81 69.0 57 83 70.0 59 85 72.0 61 84 72.5 58 84 71.0 58 86 72.0

05/28 66 99 82.5 68 101 84.5 67 101 84.0 58 71 64.5 54 80 67.0 58 80 69.0 57 89 73.0 60 92 76.0 63 89 76.0 61 90 75.5 60 88 74.0 60 88 74.0

05/29 68 100 84.0 68 98 83.0 59 69 64.0 54 79 66.5 57 78 67.5 55 87 71.0 60 89 74.5 61 89 75.0 62 88 75.0 60 90 75.0 60 84 72.0 57 83 70.0

05/30 66 100 83.0 66 74 70.0 53 81 67.0 59 83 71.0 59 91 75.0 62 94 78.0 63 92 77.5 60 84 72.0 59 83 71.0 57 85 71.0 57 84 70.5 58 90 74.0

05/31 58 73 65.5 58 85 71.5 59 88 73.5 60 95 77.5 62 97 79.5 63 96 79.5 62 87 74.5 55 78 66.5 56 83 69.5 56 81 68.5 59 90 74.5 63 93 78.0

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days 9 Days 10 Days

Redding (RDD) Daily Air Temperatures (°F)

8 Days

2
Code Body of Water Location1 CDEC Link Point Temp. (°F) Begin Date

TCD N/A Shasta Power Plant N/A BSF 56.0 5/15/2019

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here

SPP N/A Spring Creek Power Plant N/A

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here Notes

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

DGC2 Trinity River 19 miles downstream of Lewiston Dam Click Here 2 DGC is only reported in September

NFH3 Trinity River 38 miles downstream of Lewiston Dam Click Here 3 NFH is only reported in October, November and December

Station Details Temperature Control Point

53

58

63

68

73

78

83

88

50

51

52

53

54

55

56

57

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)

3
Latest Profile Date: 05/27/2020

0

300

600

900

1200

1500

1800

2100

2400

2700

3000

3300

3600

3900

4200

4500

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Shasta Lake Isothermobaths - 2020

(Water Temperature, in °F)

Total Daily Storage

4
Latest Profile Date: 05/14/2020

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Trinity Lake Isothermobaths - 2020

(Water Temperature, in °F)

Total Daily Storage

5
Latest Profile Date: 05/19/2020

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Whiskeytown Lake Isothermobaths - 2020

(Water Temperature, in °F)

Total Daily Storage

6